Watch the amazing moment as All Blacks legend, Ma'a Nonu, lines up against his old team in a Haka face-off ahead of New Zealand taking on the Sharks in their Rugby's Greatest Rivalry warmup match! #Rugby #RugbysGreatestRivalry #Haka #Ma'aNonu #Replay #RugbyUnion #RWC2023 #WorldCup #NewZealand #AllBlacks SUBSCRIBE to World Rugby on YouTube! Keep up-to-date on all things rugby by following World Rugby on social media @WorldRugby